Please clarify -- Are you saying that this sequence generates and error:
1) Attach iPod 2) eject /dev/sda Whereas this one does NOT generate errors: 1) Attach iPod 2) fdisk -l 3) eject /dev/sda Matt On Wed, Dec 27, 2006 at 08:07:28PM -0500, Carlos Moffat wrote: > Hi, > > I'm seeing an strange problem when trying to eject my ipod. To try to > isolate the problem, I've done the following in single-mode and with > USB_STORAGE_DEBUG (dmesg attached). I couldn't figure out how to start > the logging, so the attached is the latest output I got. > > Anyways, I'm trying to simply connect the iPod and then eject it, > without even mounting it. When I connect it, it correctly shows up > in /dev/sda1 and /dev/sda2 (the second being the important one). If I > do: > > eject /dev/sda > > immediately, or within a minute or so, the iPod is ejected correctly (at > least it thinks so :) ). If I wait a few minutes, a get 4 or so > > usb 4-4: reset high speed USB device using ehci_hcd and address 4 > > before > > sd 2:0:0:0: scsi: Device offlined - not ready after error recovery > > Now, if after waiting a few minutes, I don't do eject immediately but > instead do 'fdisk -l' first, the iPod is ejected properly. > > Any ideas? > Thanks, > Carlos > usb-storage: queuecommand called > usb-storage: *** thread awakened. > usb-storage: Command TEST_UNIT_READY (6 bytes) > usb-storage: 00 00 00 00 00 00 > usb-storage: Bulk Command S 0x43425355 T 0x42 L 0 F 0 Trg 0 LUN 0 CL 6 > usb-storage: usb_stor_bulk_transfer_buf: xfer 31 bytes > usb-storage: Status code 0; transferred 31/31 > usb-storage: -- transfer complete > usb-storage: Bulk command transfer result=0 > usb-storage: Attempting to get CSW... > usb-storage: usb_stor_bulk_transfer_buf: xfer 13 bytes > usb-storage: Status code 0; transferred 13/13 > usb-storage: -- transfer complete > usb-storage: Bulk status result = 0 > usb-storage: Bulk Status S 0x53425355 T 0x42 R 0 Stat 0x0 > usb-storage: scsi cmd done, result=0x0 > usb-storage: *** thread sleeping. > usb-storage: queuecommand called > usb-storage: *** thread awakened. > usb-storage: Command ALLOW_MEDIUM_REMOVAL (6 bytes) > usb-storage: 1e 00 00 00 01 00 > usb-storage: Bulk Command S 0x43425355 T 0x43 L 0 F 0 Trg 0 LUN 0 CL 6 > usb-storage: usb_stor_bulk_transfer_buf: xfer 31 bytes > usb-storage: Status code 0; transferred 31/31 > usb-storage: -- transfer complete > usb-storage: Bulk command transfer result=0 > usb-storage: Attempting to get CSW... > usb-storage: usb_stor_bulk_transfer_buf: xfer 13 bytes > usb-storage: Status code 0; transferred 13/13 > usb-storage: -- transfer complete > usb-storage: Bulk status result = 0 > usb-storage: Bulk Status S 0x53425355 T 0x43 R 0 Stat 0x0 > usb-storage: scsi cmd done, result=0x0 > usb-storage: *** thread sleeping. > usb-storage: queuecommand called > usb-storage: *** thread awakened. > usb-storage: Command START_STOP (6 bytes) > usb-storage: 1b 00 00 00 02 00 > usb-storage: Bulk Command S 0x43425355 T 0x44 L 0 F 0 Trg 0 LUN 0 CL 6 > usb-storage: usb_stor_bulk_transfer_buf: xfer 31 bytes > usb-storage: Status code 0; transferred 31/31 > usb-storage: -- transfer complete > usb-storage: Bulk command transfer result=0 > usb-storage: Attempting to get CSW... > usb-storage: usb_stor_bulk_transfer_buf: xfer 13 bytes > usb-storage: Status code 0; transferred 13/13 > usb-storage: -- transfer complete > usb-storage: Bulk status result = 0 > usb-storage: Bulk Status S 0x53425355 T 0x44 R 0 Stat 0x1 > usb-storage: -- transport indicates command failure > usb-storage: Issuing auto-REQUEST_SENSE > usb-storage: Bulk Command S 0x43425355 T 0x45 L 18 F 128 Trg 0 LUN 0 CL 6 > usb-storage: usb_stor_bulk_transfer_buf: xfer 31 bytes > usb-storage: Status code 0; transferred 31/31 > usb-storage: -- transfer complete > usb-storage: Bulk command transfer result=0 > usb-storage: usb_stor_bulk_transfer_buf: xfer 18 bytes > usb-storage: Status code 0; transferred 18/18 > usb-storage: -- transfer complete > usb-storage: Bulk data transfer result 0x0 > usb-storage: Attempting to get CSW... > usb-storage: usb_stor_bulk_transfer_buf: xfer 13 bytes > usb-storage: Status code 0; transferred 13/13 > usb-storage: -- transfer complete > usb-storage: Bulk status result = 0 > usb-storage: Bulk Status S 0x53425355 T 0x45 R 0 Stat 0x0 > usb-storage: -- Result from auto-sense is 0 > usb-storage: -- code: 0xf0, key: 0x5, ASC: 0x53, ASCQ: 0x2 > usb-storage: Illegal Request: Medium removal prevented > usb-storage: scsi cmd done, result=0x2 > usb-storage: *** thread sleeping. > usb-storage: queuecommand called > usb-storage: *** thread awakened. > usb-storage: Command ALLOW_MEDIUM_REMOVAL (6 bytes) > usb-storage: 1e 00 00 00 00 00 > usb-storage: Bulk Command S 0x43425355 T 0x46 L 0 F 0 Trg 0 LUN 0 CL 6 > usb-storage: usb_stor_bulk_transfer_buf: xfer 31 bytes > usb-storage: Status code 0; transferred 31/31 > usb-storage: -- transfer complete > usb-storage: Bulk command transfer result=0 > usb-storage: Attempting to get CSW... > usb-storage: usb_stor_bulk_transfer_buf: xfer 13 bytes > usb-storage: Status code 0; transferred 13/13 > usb-storage: -- transfer complete > usb-storage: Bulk status result = 0 > usb-storage: Bulk Status S 0x53425355 T 0x46 R 0 Stat 0x0 > usb-storage: scsi cmd done, result=0x0 > usb-storage: *** thread sleeping. > usb-storage: queuecommand called > usb-storage: *** thread awakened. > usb-storage: Command START_STOP (6 bytes) > usb-storage: 1b 00 00 00 01 00 > usb-storage: Bulk Command S 0x43425355 T 0x47 L 0 F 0 Trg 0 LUN 0 CL 6 > usb-storage: usb_stor_bulk_transfer_buf: xfer 31 bytes > usb-storage: Status code 0; transferred 31/31 > usb-storage: -- transfer complete > usb-storage: Bulk command transfer result=0 > usb-storage: Attempting to get CSW... > usb-storage: usb_stor_bulk_transfer_buf: xfer 13 bytes > usb-storage: command_abort called > usb-storage: usb_stor_stop_transport called > usb-storage: -- cancelling URB > usb-storage: Status code -104; transferred 0/13 > usb-storage: -- transfer cancelled > usb-storage: Bulk status result = 4 > usb-storage: -- command was aborted > usb-storage: storage_pre_reset > usb 4-4: reset high speed USB device using ehci_hcd and address 4 > usb-storage: storage_post_reset > usb-storage: usb_reset_composite_device returns 0 > usb-storage: scsi command aborted > usb-storage: *** thread sleeping. > usb-storage: queuecommand called > usb-storage: *** thread awakened. > usb-storage: Command TEST_UNIT_READY (6 bytes) > usb-storage: 00 00 00 00 00 00 > usb-storage: Bulk Command S 0x43425355 T 0x48 L 0 F 0 Trg 0 LUN 0 CL 6 > usb-storage: usb_stor_bulk_transfer_buf: xfer 31 bytes > usb-storage: command_abort called > usb-storage: usb_stor_stop_transport called > usb-storage: -- cancelling URB > usb-storage: Status code -104; transferred 0/31 > usb-storage: -- transfer cancelled > usb-storage: Bulk command transfer result=4 > usb-storage: -- command was aborted > usb-storage: storage_pre_reset > usb 4-4: reset high speed USB device using ehci_hcd and address 4 > usb-storage: storage_post_reset > usb-storage: usb_reset_composite_device returns 0 > usb-storage: scsi command aborted > usb-storage: *** thread sleeping. > usb-storage: device_reset called > usb-storage: usb_stor_Bulk_reset called > usb-storage: usb_stor_control_msg: rq=ff rqtype=21 value=0000 index=00 len=0 > usb-storage: Soft reset: clearing bulk-in endpoint halt > usb-storage: usb_stor_control_msg: rq=01 rqtype=02 value=0000 index=82 len=0 > usb-storage: usb_stor_clear_halt: result = 0 > usb-storage: Soft reset: clearing bulk-out endpoint halt > usb-storage: usb_stor_control_msg: rq=01 rqtype=02 value=0000 index=01 len=0 > usb-storage: usb_stor_clear_halt: result = 0 > usb-storage: Soft reset done > usb-storage: queuecommand called > usb-storage: *** thread awakened. > usb-storage: Command TEST_UNIT_READY (6 bytes) > usb-storage: 00 00 00 00 00 00 > usb-storage: Bulk Command S 0x43425355 T 0x49 L 0 F 0 Trg 0 LUN 0 CL 6 > usb-storage: usb_stor_bulk_transfer_buf: xfer 31 bytes > usb-storage: command_abort called > usb-storage: usb_stor_stop_transport called > usb-storage: -- cancelling URB > usb-storage: Status code -104; transferred 0/31 > usb-storage: -- transfer cancelled > usb-storage: Bulk command transfer result=4 > usb-storage: -- command was aborted > usb-storage: storage_pre_reset > usb 4-4: reset high speed USB device using ehci_hcd and address 4 > usb-storage: storage_post_reset > usb-storage: usb_reset_composite_device returns 0 > usb-storage: scsi command aborted > usb-storage: *** thread sleeping. > usb-storage: bus_reset called > usb-storage: storage_pre_reset > usb 4-4: reset high speed USB device using ehci_hcd and address 4 > usb-storage: storage_post_reset > usb-storage: usb_reset_composite_device returns 0 > usb-storage: queuecommand called > usb-storage: *** thread awakened. > usb-storage: Command TEST_UNIT_READY (6 bytes) > usb-storage: 00 00 00 00 00 00 > usb-storage: Bulk Command S 0x43425355 T 0x4a L 0 F 0 Trg 0 LUN 0 CL 6 > usb-storage: usb_stor_bulk_transfer_buf: xfer 31 bytes > usb-storage: command_abort called > usb-storage: usb_stor_stop_transport called > usb-storage: -- cancelling URB > usb-storage: Status code -104; transferred 0/31 > usb-storage: -- transfer cancelled > usb-storage: Bulk command transfer result=4 > usb-storage: -- command was aborted > usb-storage: storage_pre_reset > usb 4-4: reset high speed USB device using ehci_hcd and address 4 > usb-storage: storage_post_reset > usb-storage: usb_reset_composite_device returns 0 > usb-storage: scsi command aborted > usb-storage: *** thread sleeping. > sd 2:0:0:0: scsi: Device offlined - not ready after error recovery > ------------------------------------------------------------------------- > Take Surveys. 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